/*
 * Copyright 2009 Original Author(s)
 * 
 * This file is part of Kommando
 * 
 * Kommando is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Kommando is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Kommando.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kommando.web.objectsource;

import java.net.MalformedURLException;
import java.net.URL;

import javax.swing.Icon;

import org.kommando.core.catalog.AbstractObjectSource;
import org.kommando.core.catalog.CatalogObject;
import org.kommando.web.WebPage;

/**
 * @author Peter De Bruycker
 */
public class WebObjectSource extends AbstractObjectSource {

    @Override
    public Class<?>[] getExtensionTypes(CatalogObject object) {
        if (!object.hasExtension(WebPage.class) && object.hasExtension(String.class)) {
            String text = object.getExtension(String.class);
            try {
                new URL(text);
                return new Class[] { URL.class };
            } catch (Exception e) {
                // not an url
            }
        }

        return null;
    }

    @Override
    public <T> T getExtension(CatalogObject object, Class<T> extensionType) {
        if (URL.class.equals(extensionType)) {
            String url = object.getExtension(String.class);
            try {
                return extensionType.cast(new URL(url));
            } catch (MalformedURLException e) {
                // should not happen
                e.printStackTrace();
            }
        }

        return null;
    }

    @Override
    public String getId() {
        return "web";
    }

    @Override
    public String getDescription() {
        // TODO description
        return "TODO";
    }

    @Override
    public Icon getIcon() {
        // TODO icon
        return null;
    }

    @Override
    public String getName() {
        return "Web";
    }

}
